I know John Green and Rosianna Halse Rojas run https://www.lifeslibrarybookclub.com/ https://www.lifeslibrarybookclub.com/ It's more of a broadcast style bookc

I know John Green and Rosianna Halse Rojas run https://www.lifeslibrarybookclub.com/ https://www.lifeslibrarybookclub.com/ It's more of a broadcast style bookclub (although iiuc, you can contribute to discussion via discord), but it could meet your needs